OE Quality
60-Day Returns

Gates 23125 Radiator Coolant Hose - Upper
Reliable Radiator Coolant Hose for Chevrolet Cobalt
The Gates Molded Coolant Hose 23125 is engineered to provide dependable cooling system performance for Chevrolet Cobalt vehicles. Designed with durable EPDM material and precise molded construction, this radiator coolant hose ensures a secure fit and long-lasting service.
- Constructed from high-quality EPDM material for heat and chemical resistance
- Molded design for exact fit and reliable sealing
- Centerline length of 17.4 inches (442 mm) for proper routing
- Consistent inside diameter of 1.3 inches (33 mm) on both ends
- Compatible specifically with Chevrolet Cobalt models
About the Gates Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on precision-molded hoses designed to meet exact OEM specifications. This product line emphasizes durability and fitment accuracy, reducing the risk of leaks and coolant loss. The molded construction of part number 23125 ensures consistent shape and dimensions, which is critical for maintaining proper coolant flow and system integrity in Chevrolet Cobalt vehicles.
Product Details and Specifications
This radiator coolant hose features EPDM (ethylene propylene diene monomer) rubber, known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have an inside diameter of 1.3 inches (33 mm), providing a uniform connection to the cooling system components. The hose measures 17.4 inches (442 mm) in centerline length, ensuring it fits the routing requirements of the Chevrolet Cobalt cooling system without modification. The hose does not contain any internal springs or quick connect fittings, maintaining a straightforward and reliable design.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses in Chevrolet Cobalt vehicles
- Prevention of coolant leaks caused by hose degradation or swelling
- Restoration of proper coolant flow to avoid engine overheating
- Addressing hose failures due to heat exposure and chemical breakdown
- Ensuring secure connections in the cooling system to maintain pressure
Installation Notes and Tips
When installing the Gates Molded Coolant Hose 23125, ensure the engine is cool to prevent injury from hot coolant. Verify that the hose routing matches the original path to avoid kinks or interference with other engine components. Use appropriate clamps to secure both ends of the hose firmly. Inspect adjacent hoses and cooling system parts for wear during installation to maintain overall system reliability.
Quality Assurance and Warranty
Gates manufactures the Molded Coolant Hose 23125 to meet stringent quality standards, ensuring durability and performance in Chevrolet Cobalt vehicles. The EPDM material and molded design contribute to long service life under typical operating conditions. While specific warranty details are not provided, Gates products generally adhere to industry quality controls and are backed by the brand's reputation for automotive component reliability.
| Brand | Gates |
| Part Number | 23125 |
| Position | Molded Coolant Hose, Upper |
| Material | Epdm |
| End 1 Inside Diameter | 1.3 |
| End 1 Inside Diameter | 33 |
| End 2 Inside Diameter | 1.3 |
| End 2 Inside Diameter | 33 |
| Contains Spring | No |
| Centerline Length | 17.4 |
| Centerline Length | 442 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 0 |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2007 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2006 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2005 | Chevrolet | Cobalt | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.